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Ethical Sourcing of Crystals – Part 2: Lapidary Production

Stefan Austermühle, CEO of Gemrock Peru                           Last Updated: 05/2025 Another dirty secret of the crystal industry exposed: shadow business in the lapidary production   Connect with the author on LinkedIn: Stefan Austermühle Ethical mining is...

Ethical Crystal Mining: What is it and how to do it?

Stefan Austermühle, CEO of Gemrock Peru                           Last updated 05/2025 Recently, many of our clients have started asking questions about our minerals and crystals being ethically mined. We are very glad about this growing interest of retail businesses...

3 reasons why it is better to charge by the unit than by the kilogram

Stefan Austermühle, CEO of Gemrock Peru                           Last Updated: 05/2025 Gemstone producers, wholesalers, and retailers are used to buying and selling in kilograms of products. Gemrock Peru is breaking with the accustomed way by charging our clients by...

3 Ways to Recognize a High Quality Tumbled Stone

Standard tumbled Flat Sides Standard tumbleds are made from cutting scraps. Because they must be cheap, producers don’t take the time and effort to reshape them but rather only round the corners and leave the flat cutting surface visible. Scratched surface...